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Sargent 78-40 Series Mortise Lock Cylinder with 1-5/32" Solid Brass Construction
Professional Mortise Lock Cylinder Solution
The Sargent 78-40 Series Exposed Plug/Barrel Cylinder delivers professional-grade security for mortise lock applications with solid brass construction and 1-5/32" (29mm) diameter design. Engineered specifically for use with Sargent mortise locks featuring Escutcheon Trim (KE 3/4, LE 3/4), this cylinder system provides reliable keying solutions with standard 6-pin configuration and multiple finish options including 4, 15, and BSP.
Professional Features & Benefits
- Precision Dimensions: 1-5/32" (29mm) diameter design ensures proper fit with compatible Sargent mortise lock systems.
- Solid Brass Construction: Heavy-duty solid brass cylinder provides exceptional durability and corrosion resistance for long-term commercial applications.
- Multiple Pin Configurations: Standard 6-pin operation with optional 7-pin specification available for enhanced security requirements.
- Versatile Finish Options: Available in finishes 4, 15, and BSP to match existing hardware and architectural requirements.
- Complete Keying Package: All cylinders supplied 1-bitted with 2 nickel silver keys unless otherwise specified for immediate installation.
- Mortise Lock Compatibility: Designed specifically for Sargent mortise locks with Escutcheon Trim (KE 3/4, LE 3/4) for seamless integration.
- Series Function Options: Available in 78-41 (6 pin single cylinder), 78-42 (6 or 7 pin single cylinder), and 78-43 (6 or 7 pin all functions except 50) configurations.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
This cylinder component is designed for use with compatible Sargent mortise locks with Escutcheon Trim. Refer to the parent device installation instructions and manufacturer documentation for proper integration. Ensure compatibility with existing hardware before installation.
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Government and Municipal Buildings
- Multi-Tenant Residential Properties
- Industrial and Warehouse Facilities
- Retail Establishments
Why Choose Sargent Quality?
Sargent 78-40 Series cylinders deliver professional-grade reliability with solid brass construction and precision 6-pin keying systems. Engineered specifically for demanding commercial mortise lock applications, these cylinders provide the dependable security performance that professionals trust for critical access control installations.
Manufacturer Resources
[Catalog] SARGENT Full Line Catalog
Product Specs
- Series:
- 40 Series
- Product Type:
- Cylinders
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Parts and Accessories
- Subcategory:
- Parts and Accessories
- Commercial/Residential:
- Commercial
- Collection:
- Conventional Key System
- Parts and Accessories Type:
- Replacement Parts
- Product Attribute:
- Parts and Accessories
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware